20 MONTANA AGRICULTURAL COLLEGE SCIENCE STUDIES. 



Gray, Asa. "Catalogue of the plants collected east of the Rocky 

 Mountains." Pacif. Surv. 12, Ft. 2: 40-49. Washington, 1860. An anno- 

 tated list of species, partly from Montana. 



Griffiths, David. "Some northwestern Erysiphaceae". Bull. Torr. 

 Bot. Club, 29: 190-301. 1902. Refers to a few Montana species. 



Harris, W P. & C. W. "Lichens and Mosses of Montana." Bull. 

 Univ. Mont. 19: 308-330. 1904. An enumeration of 67 species of 

 Lichens and 37 species of Mosses with 7 plates. 



Harvey, P. F. "Climate and diseases of northern Dakota and 

 Montana." Published originally in the Medical Record,' the notes 

 pertaining to the botany of the region are republished in Bot. Gaz. 

 4: 171, 172. 1879. Notes m the main are unimportant from the botan- 

 ical standpoint. 



Havard, V. "Botanical outlines of the country marched over by 

 the Seventh United States Cavalry during the summer of 1877."' 

 Ann. Rep. Chief of Engineers, U. S. A., App. QQ. 1878: 1681-1687. 



Havard, V. "List of the plants found on the plains of western 

 Dakota and eastern Montana during the summer of 1877 and spring 

 of 1879." Ann - Re P- Chief of Engineers, U. S. A., App. SS. 1880: 

 1-20. Washington, 1880. Gives a general description of the region 

 and a list of the species collected. 



Hayden, F. V. "Plants collected during the exploration of the 

 L'pper Missouri by F. V. Hayden". Rep. Sec. War for 1858. 2: 

 726-747. An annotated list of species, partly from Montana, de- 

 termined by Engelmann (Trans. Amer. Phil. Soc. 12: 182-212. 

 1862). 



Holzinger, J. M. "A new Hypnum from Montana." Bryologist, 

 4: 12. Brooklyn, N. Y., 1901. 



Hooker, W. J. "Catalogue of Mr. Geyer's collection of plants 

 gathered in the Upper Missouri, the Oregon Territory, and the in- 

 tervening portion of the Rocky Mountains." London Jour. Bot. 6: 

 65-79, 206-256 (1847); Hooker's Jour. Bot. 3: 287-300 (1851); 5: 

 257-265 (1853) J 7: 371-378 (1855) ; 8: 16-19 (1856). A list of the 

 species collected with notes; many new species described. 



